So you’ve had your Cummins engine for a while now and things have been running smoothly. But lately, you’ve noticed a few drops of oil under your valve cover or maybe even a small crack starting to form. Don’t panic just yet – a replacement valve cover could have you back on the road in no time. And while you’re at it, now is the perfect time to reroute and upgrade that old valve cover to something that performs even better. Here are 5 reasons why you should reroute your LML Cummins valve cover. An upgraded valve cover provides better protection for your engine, improves performance, enhances appearance, reduces noise, and can increase the value and lifespan of your truck. A small upgrade can go a long way. Why wait any longer? Keep reading to find out how a rerouted valve cover can benefit both you and your LML Cummins.
What Is the LML Cummins Valve Cover and PCV System?
The LML Cummins valve cover and PCV system control airflow and reduce emissions in your engine. The valve cover is the metal lid that seals the top of the cylinder head, under which the valves and other components move. The PCV system vents gasses from the crankcase, preventing pressure buildup.
Over time, the valve cover and PCV system can deteriorate, crack or warp and need replacement. Here are five reasons it may be time to reroute your LML Cummins valve cover:
- Oil leaks or strange noises: If you notice oil spots under your vehicle or strange tapping sounds from the engine, the valve cover or gasket may be damaged, allowing oil to leak.
- Higher emissions: If emissions test results show high hydrocarbon levels, the PCV system could be malfunctioning, releasing gasses into the atmosphere.
- Loss of power: A failing valve cover or PCV valve can sometimes cause loss of power, difficult starts or rough idling.
- Overheating: Excessive oil consumption or leaks can sometimes lead to overheating, indicating it’s time for a valve cover replacement.
- High mileage: After 100,000 miles, it’s a good idea to inspect and possibly replace the valve cover and PCV valve as preventative maintenance.
Replacing the LML Cummins valve cover and PCV system is not a small job, but if you notice any of these signs, it’s best to have it checked by a mechanic sooner rather than later to avoid damage and keep your engine running right.
Top 5 Benefits of Rerouting Your LML Cummins Valve Cover
Rerouting your LML Cummins valve cover has some major benefits. Here are the top 5:
Less Heat Transfer
The stock valve cover setup traps a ton of heat under the hood. By rerouting it, you allow more heat to escape which lowers engine bay temps by up to 20 degrees. This means better performance and less stress on components.
Improved Airflow
When you reroute the valve cover, it opens up the engine bay allowing for improved airflow. This results in better cooling and a more efficient intake charge. More air means more power!
Custom Look
A rerouted valve cover just looks cool. It gives your engine bay a custom, high-performance appearance that turns heads. If you’re into the modding scene, this is a must-have.
Easier Access
With the stock valve cover, accessing components like your alternator, turbo, and fuel filter is challenging. Rerouting provides way more room to work, so wrenching on your LML is a breeze.
Higher Resale Value
Mods like a rerouted valve cover increase your truck’s resale value. It shows the next owner that time and money were invested to improve performance and appearance. If done right, you’ll recoup most of the cost when it’s time to sell.
Rerouting your LML Cummins valve cover is worth the investment. More power, better looks, improved accessibility – what more could you want? If you’re serious about customizing your truck, this is one of the best mods to start with.
What is lml pcv reroute?
The PCV system is designed to allow oil vapor from the crankcase to ventilate into the intake manifold where it is combusted. However, anyone who has taken their Z around an autocross/road course has probably been black-flagged for excessive smoke. The stock PCV system allows a significant amount of oil to get sucked into the intake, resulting in noticeable smoke being expelled from the exhaust.
The lml PCV Reroute will allow you to retain the function of the PCV system while helping to reduce the amount of oil consumption caused by high lateral G-forces in cornering.
How to Reroute the PCV System on Your LML Cummins for Improved Performance
To get the most power and performance out of your LML Cummins valve cover, rerouting the positive crankcase ventilation (PCV) system is a must. The stock setup vents crankcase gasses back into the intake, reducing performance. By rerouting the PCV system, you vent those gasses out of the engine bay completely, increasing airflow into the engine.
To reroute the PCV system, you’ll need some basic tools and a few feet of rubber hose. Start by locating the PCV valve—it will be a small plastic part connecting two rubber hoses in the valve cover. Disconnect the hoses and remove the PCV valve, then plug the port in the valve cover to seal it.
Next, find a place to mount the new catch can, like along the inner fender or firewall. The catch can will collect oil and water vapor from the crankcase gasses before venting outside the engine bay. Attach one end of a length of hose to the catch can’s inlet and the other end to the valve cover port where the PCV valve was removed.
Finally, attach another hose to the catch can’s outlet and route it out of the engine bay, securing the hose to avoid kinking. Many owners route the hose down through the transmission tunnel to vent under the truck. Use zip ties or wire to securely fasten the new hoses in place.
With the PCV system now rerouted out of the engine, you’ll notice improved throttle response and power. Rerouting the PCV system is an inexpensive but effective mod that can gain up to 10 horsepower. Monitor your catch can to ensure proper draining, and your LML will be breathing easy and making more power in no time!
Conclusion
So there you have it, 5 solid reasons why rerouting your LML Cummins valve cover is worth the time and money. Your engine will run better, last longer and you’ll avoid costly repairs down the road. A small upfront investment in improved airflow and cooling will pay off huge in the long run. Do yourself and your truck a favor – reroute that valve cover and open it up to breathe free. Your LML Cummins engine deserves it, and so do you. Besides, you didn’t buy that beast of a truck just to baby it, did you? Unleash the power that’s been hiding under the hood and let that valve cover reroute add some extra roar to your engine. You’ll be glad you did every time you fire it up and head out on the open road.
